Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Effective concurrent microwave heating and electrical resistance heating in a countertop microwave oven

Effective concurrent microwave heating and electrical resistance heating in a countertop microwave oven

US Patent 4188520 · Granted Feb 12, 1980

Estimated economic value: $3,127,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Apparatus and method for production line leakage testing of microwave oven cavit1986
Food browning system incorporating a combined microwave and hot air oven1984
Air sensing control system for air conditioners1984
Microwave oven with dual feed excitation system1984
Metal rack for microwave oven1984
Self-storing meal rack for a microwave oven1984
Power divider for microwave oven1984
Solid plate heating unit1983
Power disconnect assembly for electric heating elements1983
Flux shaping arrangement for induction surface unit1982
Method of manufacture for a resistance heater and temperature sensor1981
Combination oven fully utilizing the capability of a limited power source1980